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Message-Id: <20250421013346.32530-10-john@groves.net>
Date: Sun, 20 Apr 2025 20:33:36 -0500
From: John Groves <John@...ves.net>
To: John Groves <John@...ves.net>,
Dan Williams <dan.j.williams@...el.com>,
Miklos Szeredi <miklos@...redb.hu>,
Bernd Schubert <bschubert@....com>
Cc: John Groves <jgroves@...ron.com>,
Jonathan Corbet <corbet@....net>,
Vishal Verma <vishal.l.verma@...el.com>,
Dave Jiang <dave.jiang@...el.com>,
Matthew Wilcox <willy@...radead.org>,
Jan Kara <jack@...e.cz>,
Alexander Viro <viro@...iv.linux.org.uk>,
Christian Brauner <brauner@...nel.org>,
"Darrick J . Wong" <djwong@...nel.org>,
Luis Henriques <luis@...lia.com>,
Randy Dunlap <rdunlap@...radead.org>,
Jeff Layton <jlayton@...nel.org>,
Kent Overstreet <kent.overstreet@...ux.dev>,
Petr Vorel <pvorel@...e.cz>,
Brian Foster <bfoster@...hat.com>,
linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org,
nvdimm@...ts.linux.dev,
linux-cxl@...r.kernel.org,
linux-fsdevel@...r.kernel.org,
Amir Goldstein <amir73il@...il.com>,
Jonathan Cameron <Jonathan.Cameron@...wei.com>,
Stefan Hajnoczi <shajnocz@...hat.com>,
Joanne Koong <joannelkoong@...il.com>,
Josef Bacik <josef@...icpanda.com>,
Aravind Ramesh <arramesh@...ron.com>,
Ajay Joshi <ajayjoshi@...ron.com>,
John Groves <john@...ves.net>
Subject: [RFC PATCH 09/19] famfs_fuse: Update macro s/FUSE_IS_DAX/FUSE_IS_VIRTIO_DAX/
Virtio_fs now needs to determine if an inode is DAX && not famfs.
Signed-off-by: John Groves <john@...ves.net>
---
fs/fuse/dir.c | 2 +-
fs/fuse/file.c | 13 ++++++++-----
fs/fuse/fuse_i.h | 6 +++++-
fs/fuse/inode.c | 2 +-
fs/fuse/iomode.c | 2 +-
5 files changed, 16 insertions(+), 9 deletions(-)
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 3805f9b06c9d..bc29db0117f4 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1937,7 +1937,7 @@ int fuse_do_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
is_truncate = true;
}
- if (FUSE_IS_DAX(inode) && is_truncate) {
+ if (FUSE_IS_VIRTIO_DAX(fi) && is_truncate) {
filemap_invalidate_lock(mapping);
fault_blocked = true;
err = fuse_dax_break_layouts(inode, 0, 0);
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index d63e56fd3dd2..6f10ae54e710 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -239,7 +239,7 @@ static int fuse_open(struct inode *inode, struct file *file)
int err;
bool is_truncate = (file->f_flags & O_TRUNC) && fc->atomic_o_trunc;
bool is_wb_truncate = is_truncate && fc->writeback_cache;
- bool dax_truncate = is_truncate && FUSE_IS_DAX(inode);
+ bool dax_truncate = is_truncate && FUSE_IS_VIRTIO_DAX(fi);
if (fuse_is_bad(inode))
return -EIO;
@@ -1770,11 +1770,12 @@ static ssize_t fuse_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
struct file *file = iocb->ki_filp;
struct fuse_file *ff = file->private_data;
struct inode *inode = file_inode(file);
+ struct fuse_inode *fi = get_fuse_inode(inode);
if (fuse_is_bad(inode))
return -EIO;
- if (FUSE_IS_DAX(inode))
+ if (FUSE_IS_VIRTIO_DAX(fi))
return fuse_dax_read_iter(iocb, to);
/* FOPEN_DIRECT_IO overrides FOPEN_PASSTHROUGH */
@@ -1791,11 +1792,12 @@ static ssize_t fuse_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
struct file *file = iocb->ki_filp;
struct fuse_file *ff = file->private_data;
struct inode *inode = file_inode(file);
+ struct fuse_inode *fi = get_fuse_inode(inode);
if (fuse_is_bad(inode))
return -EIO;
- if (FUSE_IS_DAX(inode))
+ if (FUSE_IS_VIRTIO_DAX(fi))
return fuse_dax_write_iter(iocb, from);
/* FOPEN_DIRECT_IO overrides FOPEN_PASSTHROUGH */
@@ -2627,10 +2629,11 @@ static int fuse_file_mmap(struct file *file, struct vm_area_struct *vma)
struct fuse_file *ff = file->private_data;
struct fuse_conn *fc = ff->fm->fc;
struct inode *inode = file_inode(file);
+ struct fuse_inode *fi = get_fuse_inode(inode);
int rc;
/* DAX mmap is superior to direct_io mmap */
- if (FUSE_IS_DAX(inode))
+ if (FUSE_IS_VIRTIO_DAX(fi))
return fuse_dax_mmap(file, vma);
/*
@@ -3191,7 +3194,7 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
.mode = mode
};
int err;
- bool block_faults = FUSE_IS_DAX(inode) &&
+ bool block_faults = FUSE_IS_VIRTIO_DAX(fi) &&
(!(mode & FALLOC_FL_KEEP_SIZE) ||
(mode & (FALLOC_FL_PUNCH_HOLE | FALLOC_FL_ZERO_RANGE)));
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index fee96fe7887b..e04d160fa995 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -1423,7 +1423,11 @@ void fuse_free_conn(struct fuse_conn *fc);
/* dax.c */
-#define FUSE_IS_DAX(inode) (IS_ENABLED(CONFIG_FUSE_DAX) && IS_DAX(inode))
+/* This macro is used by virtio_fs, but now it also needs to filter for
+ * "not famfs"
+ */
+#define FUSE_IS_VIRTIO_DAX(fuse_inode) (IS_ENABLED(CONFIG_FUSE_DAX) \
+ && IS_DAX(&fuse_inode->inode))
ssize_t fuse_dax_read_iter(struct kiocb *iocb, struct iov_iter *to);
ssize_t fuse_dax_write_iter(struct kiocb *iocb, struct iov_iter *from);
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index e9db2cb8c150..29147657a99f 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -164,7 +164,7 @@ static void fuse_evict_inode(struct inode *inode)
if (inode->i_sb->s_flags & SB_ACTIVE) {
struct fuse_conn *fc = get_fuse_conn(inode);
- if (FUSE_IS_DAX(inode))
+ if (FUSE_IS_VIRTIO_DAX(fi))
fuse_dax_inode_cleanup(inode);
if (fi->nlookup) {
fuse_queue_forget(fc, fi->forget, fi->nodeid,
diff --git a/fs/fuse/iomode.c b/fs/fuse/iomode.c
index c99e285f3183..aec4aecb5d79 100644
--- a/fs/fuse/iomode.c
+++ b/fs/fuse/iomode.c
@@ -204,7 +204,7 @@ int fuse_file_io_open(struct file *file, struct inode *inode)
* io modes are not relevant with DAX and with server that does not
* implement open.
*/
- if (FUSE_IS_DAX(inode) || !ff->args)
+ if (FUSE_IS_VIRTIO_DAX(fi) || !ff->args)
return 0;
/*
--
2.49.0
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